Which one is true about epidemiology ?
A、Studyingrelevantfactorsofdiseaseandhealthstatusatanindivivuallevel.;
B、Onlystudyingtheprevalenceofcommunicablediseaseandpreventionmeasures.;
C、Onlystudyingriskfactorsofnon-communicabledisease.;
D、Studyingthedistributionofdiseaseandhealthstatusinpopulationandrelevantfactors.;
E、Onlystudyingtreatmentmeasures
发布时间：2025-10-24 16:04:51
